Home / 45,102.76-67,635.60-13,501.66

Finding the Fourth Proportional to 45,102.76, 67,635.60 and 13,501.66

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Solution

The fourth proportional to 45,102.76, 67,635.60 and 13,501.66 is: 20,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.76 : 67,635.60 = 13,501.66 : x
  2. Step 2: Convert to fraction form
    45,102.76/67,635.60 = 13,501.66/x
  3. Step 3: Cross multiply
    45,102.76x = 67,635.60 × 13,501.66
  4. Step 4: Simplify right side
    45,102.76x = 913,192,875.10
  5. Step 5: Solve for x
    x = 913,192,875.10/45,102.76
  6. Step 6: Final answer
    x = 20,246.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.